/**
 * Layout CSS - Estructura, navbar, sidebar y grids
 */

/* ============================================
 * NAVBAR
 * ============================================ */

.navbar {
  border-bottom: 1.5px solid var(--color-primary-alpha-22);
  background-color: var(--navbar-bg) !important;
  min-height: var(--navbar-height);
}

.navbar-brand {
  font-size: var(--font-size-3xl);
  letter-spacing: var(--letter-spacing-wide);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.navbar-brand img {
  border-radius: var(--radius-sm);
}

/* ============================================
 * HOME SPLIT LAYOUT
 * ============================================ */

.home-split {
  background-color: var(--bg-body);
  min-height: 100vh;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-card {
  max-width: 900px;
  min-height: 540px;
  margin: var(--spacing-10) auto;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

/* Columna izquierda - Bienvenida */
.home-left {
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-primary) 100%);
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.home-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;utf8,<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg"><circle cx="200" cy="200" r="180" fill="none" stroke="white" stroke-width="8" opacity="0.08"/><circle cx="100" cy="100" r="60" fill="none" stroke="white" stroke-width="4" opacity="0.10"/><circle cx="300" cy="300" r="40" fill="none" stroke="white" stroke-width="3" opacity="0.10"/></svg>');
  background-size: cover;
  opacity: 0.5;
  z-index: 0;
}

.home-left > .position-relative {
  z-index: 1;
}

.home-left h2 {
  color: var(--color-white);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

.home-left p {
  color: var(--text-light);
  font-size: var(--font-size-xl);
}

/* Columna derecha - Login */
.home-bg-img {
  position: relative;
  overflow: hidden;
  border-radius: 0 var(--radius-2xl) var(--radius-2xl) 0;
}

.home-bg-img::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://images.unsplash.com/photo-1503676382389-4809596d5290?auto=format&fit=crop&w=900&q=80') center/cover no-repeat;
  filter: blur(6px) brightness(0.85);
  opacity: 0.25;
  z-index: 0;
}

.home-bg-img > * {
  position: relative;
  z-index: 1;
}

/* Título de Login - Estilo destacado */
.login-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 2rem !important;
  position: relative;
  padding-bottom: 1rem;
}

.login-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, #ff6659 100%);
  border-radius: 2px;
}

@media (max-width: 767px) {
  .login-title {
    font-size: 2rem;
    letter-spacing: 1px;
  }
}

/* ============================================
 * LOGO HERO
 * ============================================ */

.logo-hero {
  background: transparent;
  box-shadow: none;
  width: 98%;
  max-width: 600px;
  min-width: 260px;
  margin-bottom: var(--spacing-10);
  margin-top: var(--spacing-12);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
 * STUDENT PANEL LAYOUT
 * ============================================ */

.student-layout {
  display: flex;
  min-height: 80vh;
  background-color: var(--color-gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* Sidebar del estudiante */
.student-sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  color: var(--color-white);
  min-height: 100%;
  padding-bottom: var(--spacing-8);
  border-right: 2px solid var(--color-primary-alpha-22);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.sidebar-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 90px;
  margin-top: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.sidebar-logo-bg {
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.sidebar-logo img {
  border-radius: 0;
  background: none;
  padding: 0;
  width: 90px;
  height: 90px;
  object-fit: contain;
}

/* Menú del sidebar */
.sidebar-menu {
  padding-left: 0;
  margin-top: var(--spacing-4);
  list-style: none;
}

.sidebar-menu .nav-item {
  margin-bottom: var(--spacing-1);
}

.sidebar-menu .nav-link {
  color: var(--color-white);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  padding: var(--spacing-3) var(--spacing-5);
  transition: background var(--transition-base), color var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
}

.sidebar-menu .nav-link.active,
.sidebar-menu .nav-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.sidebar-icon {
  font-size: 1.3em;
  width: 28px;
  text-align: center;
}

/* Contenido principal del estudiante */
.student-main {
  flex: 1;
  background-color: var(--color-gray-100);
  padding: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.student-header {
  background-color: var(--bg-card);
  border-bottom: 1.5px solid var(--color-primary-alpha-22);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  min-height: 60px;
  padding: var(--spacing-3);
}

.student-content {
  padding: var(--spacing-10) var(--spacing-8);
  flex: 1;
}

/* ============================================
 * PROFESSOR PANEL LAYOUT
 * ============================================ */

.prof-layout {
  display: flex;
  min-height: 80vh;
  background-color: var(--color-gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.prof-sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  color: var(--color-white);
  min-height: 100%;
  padding-bottom: var(--spacing-8);
  border-right: 2px solid var(--color-primary-alpha-22);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.prof-main {
  flex: 1;
  background-color: var(--color-gray-100);
  padding: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.prof-header {
  background-color: var(--bg-card);
  border-bottom: 1.5px solid var(--color-primary-alpha-22);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  min-height: 60px;
  padding: var(--spacing-3);
}

.prof-content {
  padding: var(--spacing-10) var(--spacing-8);
  flex: 1;
}

/* ============================================
 * NAV USER HOME
 * ============================================ */

#navUserHome {
  margin-top: var(--spacing-8);
  text-align: right;
}

/* ============================================
 * RESPONSIVE - TABLETS
 * ============================================ */

@media (max-width: 991px) {
  .home-card {
    max-width: 98vw;
    min-height: 0;
  }

  .logo-hero {
    max-width: 380px;
    min-width: 120px;
    width: 80%;
    margin-top: var(--spacing-8);
  }

  /* Student layout responsive */
  .student-layout,
  .prof-layout {
    flex-direction: column;
  }

  .student-sidebar,
  .prof-sidebar {
    width: 100%;
    flex-direction: row;
    border-right: none;
    border-bottom: 2px solid var(--color-primary-alpha-22);
    min-height: 0;
    padding-bottom: 0;
    overflow-x: auto;
  }

  .sidebar-menu {
    flex-direction: row;
    display: flex;
    width: 100%;
    margin-top: 0;
  }

  .sidebar-menu .nav-link {
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    padding: var(--spacing-3);
    font-size: var(--font-size-sm);
    justify-content: center;
  }

  .sidebar-logo {
    display: none;
  }
}

/* ============================================
 * RESPONSIVE - MÓVILES
 * ============================================ */

@media (max-width: 767px) {
  .home-card {
    flex-direction: column;
    border-radius: var(--radius-lg);
    min-height: 0;
    margin: var(--spacing-4) auto;
  }

  .home-left,
  .home-bg-img {
    border-radius: 0 !important;
    min-height: 180px;
    padding: var(--spacing-8) var(--spacing-4) !important;
  }

  .logo-hero {
    max-width: 160px;
    min-width: 80px;
    width: 70%;
    margin-top: var(--spacing-4);
  }

  .student-content,
  .prof-content {
    padding: var(--spacing-4) var(--spacing-2);
  }

  .student-header,
  .prof-header {
    flex-direction: column;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-2);
  }

  .clases-lista {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  .clase-card {
    width: 100%;
    max-width: 100%;
    margin: 0 0 var(--spacing-4) 0;
  }

  /* Navbar responsive */
  .navbar {
    padding: var(--spacing-2) var(--spacing-3);
  }

  .navbar-brand {
    font-size: var(--font-size-xl);
  }

  .navbar-brand img {
    width: 32px;
    height: 32px;
  }

  /* Sidebar menu responsive mejorado */
  .sidebar-menu {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .sidebar-menu .nav-link {
    min-width: fit-content;
    white-space: nowrap;
  }

  /* Cards responsive */
  .card {
    margin-bottom: var(--spacing-4);
  }

  .card-body {
    padding: var(--spacing-3);
  }

  .card-header {
    padding: var(--spacing-3);
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-2);
  }

  .card-header h5 {
    font-size: var(--font-size-lg);
    text-align: center;
  }

  /* Tablas responsive mejoradas */
  .table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Formularios responsive */
  .form-control,
  .form-select {
    font-size: var(--font-size-base);
  }

  .form-control-lg {
    font-size: var(--font-size-lg);
    padding: var(--spacing-3) var(--spacing-4);
  }

  /* Botones responsive */
  .btn {
    width: 100%;
    margin-bottom: var(--spacing-2);
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-1);
  }

  /* Modales responsive */
  .modal-dialog {
    margin: var(--spacing-2);
    max-width: calc(100% - var(--spacing-4));
  }

  .modal-content {
    border-radius: var(--radius-md);
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-3);
  }

  /* Listas responsive */
  .list-group-item {
    padding: var(--spacing-3);
    font-size: var(--font-size-sm);
  }
}

/* ============================================
 * UTILIDADES DE LAYOUT
 * ============================================ */

.d-flex.justify-content-end.mb-4.gap-2 {
  justify-content: center !important;
  margin-bottom: var(--spacing-2) !important;
}

#inscripcionBtn {
  margin-right: var(--spacing-2);
  height: 40px;
  align-self: flex-start;
}

#pills-tab {
  display: inline-flex;
  vertical-align: middle;
}